lesson 2 math operations Using Java Netbeans IDE 8.2 Featuring the Scanner input Reader
package firstprograms;
import java.util.Scanner ;
import java.io.*;
public class MathBasic {
public static void
main(String args[])
{
Scanner in=new
Scanner (System.in).useDelimiter("\n"); //Class needed to use scanner
input reader
//list of
variables to store 2 input numbers
float n1,n2 ;
// list of
variables to store computer values
double sum,
diff,quotient,product;
//input first
numbers ;
System.out.print("Ënter first number : ");
//read and store
input number
n1=in.nextInt();
//input second
numbers ;
System.out.print("Ënter second number :");
//read and store
input number
n2=in.nextInt();
//compute and
store the sum of n1 and n2 , by adding
n1 and n2
sum =n1+n2;
//Display the
computed sum to display the result of computation
System.out.println(" Sum " +sum);
//compute and
store the difference , by subtracting n1 and n2
diff =n1 - n2;
//Display the
computed difference to display the result of computation
System.out.println(" Difference " +diff);
quotient =n1/n2;
//Display the
computed quotient to display the result of computation
System.out.println(" Quotient " +quotient);
//compute and
store the product , by subtracting n1 and n2
product=n1 * n2;
//Display the
computed product to display the result of computation
System.out.println(" Product "
+product);
}
}
package firstprograms;
import java.util.Scanner ;
import java.io.*;
public class MathBasic {
public static void
main(String args[])
{
Scanner in=new
Scanner (System.in).useDelimiter("\n"); //Class needed to use scanner
input reader
//list of
variables to store 2 input numbers
float n1,n2 ;
// list of
variables to store computer values
double sum,
diff,quotient,product;
//input first
numbers ;
System.out.print("Ënter first number : ");
//read and store
input number
n1=in.nextInt();
//input second
numbers ;
System.out.print("Ënter second number :");
//read and store
input number
n2=in.nextInt();
//compute and
store the sum of n1 and n2 , by adding
n1 and n2
sum =n1+n2;
//Display the
computed sum to display the result of computation
System.out.println(" Sum " +sum);
//compute and
store the difference , by subtracting n1 and n2
diff =n1 - n2;
//Display the
computed difference to display the result of computation
System.out.println(" Difference " +diff);
quotient =n1/n2;
//Display the
computed quotient to display the result of computation
System.out.println(" Quotient " +quotient);
//compute and
store the product , by subtracting n1 and n2
product=n1 * n2;
//Display the
computed product to display the result of computation
System.out.println(" Product "
+product);
}
}
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